Question 1

Which reagents would you use to synthesize this compound by an aldol condensation?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 2

What would be the major product of the following reaction?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 3

What would be the major product of the following reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 4

-What is the intermediate B in the synthesis shown above?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 5

Esters frequently react in the presence of alkoxides by a reaction called the __________ condensation.

Accepted Answer

The answer of Esters frequently react in the presence of...

Question 6

What would be the major product of the following reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 7

What final product is obtained when 2,8-nonanone is treated with base,followed by reaction with sodium borohydride?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 8

When $\alpha$,$\beta$-unsaturated aldehydes and ketones react with nucleophiles,simple addition is favored when _________ nucleophiles are used,while conjugate addition is preferred by ___________ nucleophiles.

Accepted Answer

The answer of When $\alpha$,$\beta$-unsaturated aldehydes and ketones react with...

Question 9

-Consider the synthesis above in answering this question.What is compound A?

Accepted Answer

A)  Butanone 
B)  Butanal 
C)  Propanal 
D)  1-Butanol 
E)  2-Methylpropanal 
A)  Butanone 
B)  Butanal 
C)  Propanal 
D)  1-Butanol 
E)  2-Methylpropanal

Question 10

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

Accepted Answer

The answer of What is the final product of the...

Question 11

The aldol reaction of cyclohexanone produces which of these self-condensation products?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 12

What is the final product of the following reaction sequence? Give structural
details of all significant intermediates.

Accepted Answer

The answer of What is the final product of the...

Question 13

Which of the following would afford the best synthesis of diethyl phenylmalonate,

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 14

The sequence of a Michael addition followed by an intramolecular aldol condensation is known as a ___________.

Accepted Answer

The answer of The sequence of a Michael addition followed...

Question 15

What product is formed during the following reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 16

The reaction of   with base affords which of these products?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 17

What would be the product of the following sequence?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 18

Which reagents would be used in a Mannich reaction to synthesize

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 19

Which of these is a product of the reaction of C6H5MgBr with

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 20

Which is the only one of these compounds which cannot self-condense in the presence of dilute aqueous alkali?

Accepted Answer

A)  Phenylethanal 
B)  Propanal 
C)  2-Methylpropanal 
D)  3-Methylpentanal 
E)  2,2-Dimethylpropanal 
A)  Phenylethanal 
B)  Propanal 
C)  2-Methylpropanal 
D)  3-Methylpentanal 
E)  2,2-Dimethylpropanal

Exam 19: Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Which reagents would you use to synthesize this compound by an aldol condensation?

What would be the major product of the following reaction?

What would be the major product of the following reaction?

-What is the intermediate B in the synthesis shown above?

Esters frequently react in the presence of alkoxides by a reaction called the __________ condensation.

What would be the major product of the following reaction?

What final product is obtained when 2,8-nonanone is treated with base,followed by reaction with sodium borohydride?

When α\alphaα , β\betaβ -unsaturated aldehydes and ketones react with nucleophiles,simple addition is favored when _________ nucleophiles are used,while conjugate addition is preferred by ___________ nucleophiles.

-Consider the synthesis above in answering this question.What is compound A?

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

The aldol reaction of cyclohexanone produces which of these self-condensation products?

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

Which of the following would afford the best synthesis of diethyl phenylmalonate,

The sequence of a Michael addition followed by an intramolecular aldol condensation is known as a ___________.

What product is formed during the following reaction?

The reaction of with base affords which of these products?

What would be the product of the following sequence?

Which reagents would be used in a Mannich reaction to synthesize

Which of these is a product of the reaction of C6H5MgBr with

Which is the only one of these compounds which cannot self-condense in the presence of dilute aqueous alkali?

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

When $\alpha$ , $\beta$ -unsaturated aldehydes and ketones react with nucleophiles,simple addition is favored when _ nucleophiles are used,while conjugate addition is preferred by ___ nucleophiles.

Which of these is a product of the reaction of C₆H₅MgBr with